/*
Let T(m, n) be the number of the binomial coefficients iCn that are divisible by 10 for n ≤ i &lt; m(i, m and n are positive integers).
You are given that T(109, 107-10) = 989697000.


Find T(1018, 1012-10).

Anser:
Time:
*/
package main

import (
	"fmt"
	"time"
)

func main() {
	tstart := time.Now()



	tend := time.Now()
	fmt.Println(tend.Sub(tstart))
}